Home / 22,899.52-31,595.35-13,206.63

Finding the Fourth Proportional to 22,899.52, 31,595.35 and 13,206.63

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Solution

The fourth proportional to 22,899.52, 31,595.35 and 13,206.63 is: 18,221.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,899.52 : 31,595.35 = 13,206.63 : x
  2. Step 2: Convert to fraction form
    22,899.52/31,595.35 = 13,206.63/x
  3. Step 3: Cross multiply
    22,899.52x = 31,595.35 × 13,206.63
  4. Step 4: Simplify right side
    22,899.52x = 417,268,218.68
  5. Step 5: Solve for x
    x = 417,268,218.68/22,899.52
  6. Step 6: Final answer
    x = 18,221.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.